11100412231231 has 4 divisors (see below), whose sum is σ = 11100473187112. Its totient is φ = 11100351275352.

The previous prime is 11100412231199. The next prime is 11100412231291. The reversal of 11100412231231 is 13213221400111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11100412231231 - 2⁵ = 11100412231199 is a prime.

It is a super-2 number, since 2×11100412231231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100412231291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30203961 + ... + 30569266.

It is an arithmetic number, because the mean of its divisors is an integer number (2775118296778).

Almost surely, 2^{11100412231231} is an apocalyptic number.

11100412231231 is a deficient number, since it is larger than the sum of its proper divisors (60955881).

11100412231231 is an equidigital number, since it uses as much as digits as its factorization.

11100412231231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60955880.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 11100412231231 its reverse (13213221400111), we get a palindrome (24313633631342).

The spelling of 11100412231231 in words is "eleven trillion, one hundred billion, four hundred twelve million, two hundred thirty-one thousand, two hundred thirty-one".